Electrical

Asked by GuruVHRV5 Aug 26, 2018 at 05:27 AM about the 2007 Mercury Grand Marquis GS

Question type: Maintenance & Repair

While traveling the headlights flicker, go dim and return to normal.
Have replace battery and alternator
Occasionally the battery light comes on and off.

1 Answer
4,965

MGM_Mobile_Electroni... answered 5 years ago

I've heard of these cars having a bad LCM (Light Control Module). Your year doesn't apply to the general problem years. This is a common symptom with a bad connection or ground. Make sure your battery posts are clean and making good contact. Does the flickering/dimming happen while you're parked?

Mark helpful

Your Answer:

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